Reviewed-by: Christian Kamm

If a document wasn't parsed correctly the binder won't be run - and
rootObjectValue will be null.

Task-number: QTCREATORBUG-1449

When adding a new file, refreshing semantic errors in the open editor should
have worked. It now also works for removing existing files.

Done-with: Christian Kamm

* Context::build was potentially dangerous. Link and ScopeBuilder
  went out of scope before their results stopped being used.
* ScopeBuilder: If no function scope object was found, don't add it.

Reviewed-by: Erik Verbruggen

The documentation requires having it there.

50cc55af broke it.

Reviewed-by: ossi

Reviewed-by: Erik Verbruggen

Task-number: QTCREATORBUG-1439

Task-number: QTCREATORBUG-1413
Reviewed-by: Erik Verbruggen

It would calculate an incorrect start token in this case as the
linizer skips past the empty line.

Task-number: QTCREATORBUG-1412

Previously, fresh versions of a Document would be added to the
_documentsByPath QMultiHash without removing the old version first.
This means Link could pick up old versions of a Document.

Task-number: QTCREATORBUG-1418

Task-number: QTCREATORBUG-1388
Reviewed-by: Roberto Raggi

Reviewed-by: Roberto Raggi

Done-with: Erik Verbruggen

Reviewed-by: ckamm

Done-with: Erik Verbruggen

Done-with: Erik Verbruggen

At least direct recursion with name="Foo" extends="Foo" is detected
and rejected.

Done-with: Erik Verbruggen

Done-with: Erik Verbruggen

Done-with: Erik Verbruggen

The plan is to use this to reduce the number of applicable
completion options, for instance for enum completion or property
names.

Done-with: Erik Verbruggen

LineInfo can tell whether lines are finished or not.

Done-with: Erik Verbruggen

Done-with: Erik Verbruggen

This used to contain all functions declared in Script blocks. With them
gone, there's no reason to keep it.

Also, a class name is added in qmjs::bind so that we have a class name
for custom properties defined inside a component.

They had not yet been updated to the new way of importing javascript.

Reviewed-by: Erik Verbruggen

Use ScopeBuilder.push(...) for the same functionality.

Reviewed-by: Erik Verbruggen

Task-number: QTCREATORBUG-756

Allows completion of local variable and function names.

Task-number: QTCREATORBUG-942
Reviewed-by: Roberto Raggi

Means their members are now completed correctly.

Task-number: QTCREATORBUG-1132
Reviewed-by: Erik Verbruggen

Task-number: QTCREATORBUG-583
Reviewed-by: Roberto Raggi

Task-number: QTCREATORBUG-1021
Reviewed-by: Erik Verbruggen

Done-with: ckamm